SOLUTION: complete the trinomial such that it's a perfect square: y=x2+_x+81

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Question 550096: complete the trinomial such that it's a perfect square: y=x2+_x+81
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
complete the trinomial such that it's a perfect square:
y= x^2 + x + 81
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x^2+x+(1/2)^2- (1/2)^2 + 81
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(x+(1/2)^2 - 1/4 + 81
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So, y = (x+1/2)^2 + 79 3/4)
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Cheers,
Stan H.